• CardioExcyte 96

    インピーダンス&細胞外電位のハイブリッド測定
  • CardioExcyte 96

    心臓安全性スクリーニングに最適
  • CardioExcyte 96

    ラベルフリー:次世代の細胞解析
  • CardioExcyte 96

    直感的にデータ解析可能 & 不整脈の検出

Cardiomyocytes - Tetracaine dose response curves as recorded with Cor.4U cells

Icon CE   Tetracaine Cor4UCardioExcyte data and applications:
Cells were kindly provided by Axiogenesis.

Impedance amplitude is not changed by addition of increasing concentrations of Tetracaine (left panel), while beat rate of Cor.4U® cells is decreasing. For example, 29.6µM of Tetracaine decreased the beat rate by ~60% when compared to pre-addition values. Cumulative dose-response relationships indicate Tetracaine potency for same-well additions. Representative raw traces for impedance signals (middle panel) clearly indicate a decrease in cell monolayer beat rate with increasing concentrations of Tetracaine.
Extracellular Field Potential (EFP) spike amplitude is decreased by cumulative Tetracaine dose applications to the same monolayer of Cor.4U® cardiomyocytes (top right), in agreement with compound mechanism of action. Representative raw traces for EFP signals (bottom graph) clearly indicate a decrease in spike amplitude.

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